CN219150297U

CN219150297U - Ball milling device that falls in cooling and fall

Info

Publication number: CN219150297U
Application number: CN202223483493.8U
Authority: CN
Inventors: 吴平飞; 邹佛生; 吴传进; 杨桢
Original assignee: Lianzhou Guangyuan Calcium Carbonate Co ltd; Jiangxi Guangyuan Chemical Co Ltd
Current assignee: Lianzhou Guangyuan Calcium Carbonate Co ltd; Jiangxi Guangyuan Chemical Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-09
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a ball-milling device that falls the temperature and fall, includes water tank (3) and ball-milling barrel (6), still includes feed inlet (1), inlet tube (2), sealed bearing (4), lifting support (5), gear (7), motor (8), discharge gate (9) outlet pipe (10). The whole set of ball milling cylinder is sealed in the water tank, so that the noise generated during ball milling rotation can be greatly reduced; the temperature of the equipment can be increased by various impacts and friction in the grinding process of the ball milling equipment, the temperature of the equipment is transferred to water, the temperature of the ball milling equipment can be reduced by replacing water in a water tank, the influence on the product quality due to the temperature increase is prevented, and the working environment of the equipment is improved.

Description

Ball milling device that falls in cooling and fall

Technical Field

The utility model relates to a ball milling device, in particular to a cooling and noise reducing ball milling device.

Background

The inorganic nonmetallic minerals are widely applied mainly in that fillers with different fineness can be processed by a process, in the nonmetallic mineral superfine process, a ball mill is one of common equipment, the annual demand of ball milling equipment is continuously increasing, and equipment manufacturers are continuously improving the equipment. The existing equipment is divided into two processing modes of various ores and other grindability materials, wherein one processing mode is dry grinding, and the other processing mode is wet grinding.

However, in any mode, during the production process of the ball milling equipment, because of the collision of raw ores and grinding media in the ball milling, the collision among ores and the collision of the raw ores, the grinding media and the ball milling cylinder body generate a large amount of noise, along with the increasing strictness of environmental protection conditions of safety supervision, the noise pollution becomes an important evaluation standard for environmental protection departments, and the noise pollution can have a certain influence on the life of residents nearby factories, so that most ball milling equipment application enterprises mainly adopt a sound insulation wall to reduce the noise, but the noise pollution to equipment operators in the sound insulation wall is larger, and the effect still cannot meet the ideal requirement.

Disclosure of Invention

The utility model aims to solve the problems of noise and heating of ball milling equipment and develop a ball milling device capable of reducing temperature and noise.

The ball milling device is placed in a water tank, and after the water tank is filled with water, the problems of noise and heating of the ball milling device are solved through the heat exchange effect and the sound insulation effect of water. The technical problem to be solved is how to realize the sealing and feeding and discharging problems of the ball mill.

The ball milling device comprises a water tank and a ball milling barrel, wherein the ball milling barrel is fixedly arranged in the water tank through a bracket; the ball milling barrel is characterized in that the main shaft of the ball milling barrel is a hollow main shaft, the hollow main shaft of the barrel is tightly sleeved in an inner ring of a sealing bearing, a feed pipe and a discharge pipe are connected with an outer ring of the sealing bearing, the hollow main shaft is in sealing connection with a feed port and a discharge port through the inner ring and the outer ring of the sealing bearing, the inner ring of the bearing rotates along with the barrel in the rotation process of the barrel, the outer ring is fixed on a bracket and does not rotate, and the sealing performance of the sealing bearing can ensure that water in a box body cannot permeate into the feed pipe and the discharge pipe.

The ball milling barrel is characterized in that a feed inlet and a discharge outlet of the ball milling barrel are respectively arranged at two sides outside the water tank, the joint of the feed pipe and the water tank wall and the joint of the discharge pipe and the water tank wall are welded and sealed, and the discharge outlet is connected with an induced draft fan; the ball milling barrel is driven to rotate in the water tank by a gear transmission mechanism, and the gear transmission mechanism is connected with a motor outside the water tank through a rotating shaft.

The water tank is of a sealing structure, the top of the water tank is provided with a tank cover, the tank cover is provided with a water inlet pipe, the lower part of the water tank is provided with a water outlet pipe, and the water outlet pipe is provided with a water outlet valve; the grinding medium steel ball is arranged in the ball grinding cylinder body.

The ball milling cylinder is sealed in a water tank, the bottom of the water tank falls to the ground and is placed in a pit with the same size as the water tank, and a sewer with a water outlet is reserved.

The induced draft fan collects powder ground to a certain fineness through negative pressure.

The utility model has the beneficial effects that the whole set of ball milling cylinder is sealed in the water tank, so that the noise during ball milling rotation can be greatly reduced; the temperature of the equipment can be increased by various impacts and friction in the grinding process of the ball milling equipment, the temperature of the equipment is transferred into water, and the temperature of the ball milling equipment can be reduced by replacing water in a water tank, so that the influence on the product quality due to the temperature increase is prevented. The device solves the sealing problem of the material feeding and discharging and the device. The whole ball milling device is tightly sealed, and is convenient to feed and discharge, and can work in the water tank well.

Drawings

FIG. 1 is a schematic diagram of a ball milling device with temperature reduction and noise reduction in the utility model;

FIG. 2 is a schematic view of the connection of the feed tube to the hollow spindle;

in the figure, 1 is a feed inlet; 2 is a water inlet pipe; 3 is a water tank; 4 is a sealed bearing; 5 is a stent; 6 is a ball milling cylinder; 7 is a gear; 8 is an electric motor; 9 is a discharge hole; 10 is a drain pipe; 11 is a drain valve; 12 is the feed tube; 13 is bearing sealing grease; 14 is a gasket; 15 is a hollow spindle; 16 is the bearing inner ring; 17 is the outer ring of the bearing; 18 is a conical metal guide tube.

Detailed Description

An embodiment of the present utility model is shown in fig. 1.

The ball milling device capable of reducing temperature and noise comprises a water tank 3 and a ball milling barrel 6.

The ball mill cylinder 6 of this embodiment is mounted and fixed in the water tank 3 by a bracket 5. The ball milling cylinder main shaft is arranged on a bracket 5 through a sealing bearing 4; the feed inlet 1 and the discharge outlet 9 of the ball milling barrel are respectively arranged at two sides outside the water tank, the joint of the feed pipe and the discharge pipe and the wall of the water tank is sealed, and the discharge outlet is connected with an induced draft fan; the ball milling barrel is driven to rotate in the water tank by a gear 4 transmission mechanism, and the gear 4 transmission mechanism is connected with a motor 8 outside the water tank through a rotating shaft.

FIG. 2 is a schematic view showing the connection of the feed pipe and the hollow spindle; the hollow main shaft 15 is tightly sleeved in the bearing inner ring 16 of the sealed bearing and rotates together with the bearing inner ring 16; the feed pipe 12 is not connected with the bearing outer ring 17, and a conical metal discharge pipe 18 arranged at the mouth of the feed pipe 12 is inserted into the hollow main shaft 15 but is not contacted with the hollow main shaft 15; sealing gaskets 14 are arranged on two sides of the bearing; bearing sealing grease 13 is filled in the bearing chamber; a gasket is also provided between the outer wall of the conical metal tapping pipe 18 and the bearing. The connection of the discharging pipe and the hollow main shaft is similar to that of a feeding pipe.

The water tank 3 of the embodiment is of a sealing structure, the top of the water tank is provided with a tank cover, the tank cover is provided with a water inlet pipe 2, the lower part of the water tank is provided with a water outlet pipe 10, and the water outlet pipe 10 is provided with a water outlet valve 11; the ball milling cylinder 6 is internally provided with grinding medium steel balls. Before the ball mill works, water is only injected into the water tank body, the water level is lower than the radius of the gear of the motor after the water level is over the gear of the ball mill cylinder.

Claims

1. The ball milling device comprises a water tank and a ball milling barrel body, and is characterized in that the ball milling barrel body is fixed in the water tank through a bracket; the main shaft of the ball milling cylinder body is a hollow main shaft, and the main shaft is arranged on the bracket through a sealing bearing; the ball milling barrel is characterized in that a feed inlet and a discharge outlet of the ball milling barrel are respectively arranged at two sides outside the water tank, the joint of the feed pipe and the water tank wall and the joint of the discharge pipe and the water tank wall are welded and sealed, and the discharge outlet is connected with an induced draft fan; the ball milling barrel is driven to rotate in the water tank by a gear transmission mechanism, and the gear transmission mechanism is connected with a motor outside the water tank through a rotating shaft.

2. The ball milling device for reducing temperature and noise according to claim 1, wherein the hollow main shaft is tightly fixed in the bearing inner ring of the sealed bearing and rotates together with the bearing inner ring; the feed pipe is in seamless connection with the outer ring of the bearing; a conical metal discharge pipe arranged at the mouth of the feed pipe is inserted into the hollow main shaft but is not contacted with the hollow main shaft.

3. The ball milling device for reducing temperature and noise according to claim 1, wherein the water tank is of a sealing structure, a tank cover is arranged at the top, a water inlet pipe is arranged on the tank cover, and a water outlet pipe is arranged at the lower part; the grinding medium steel ball is arranged in the ball grinding cylinder body.

4. The ball milling device for reducing temperature and noise according to claim 1, wherein the ball milling cylinder is enclosed in a water tank, the bottom of the water tank is placed in a pit with the same size as the water tank, and a sewer of a drain pipe is reserved.

5. The cooling and noise reducing ball milling device according to claim 1, wherein the induced draft fan collects powder ground to a certain fineness.